Cauliflower
From Tardis Wiki, the free Doctor Who reference
Cauliflower was a common vegetable found on Earth.
Peri Brown once found herself in a dimension modelled upon a combination of the Alice in Wonderland book she had been reading and the salad she had been eating. Among the creatures she met in this world was a pair of talking turnips who began to recite her a poem called "The Walnut and the Cauliflower". (COMIC: Salad Daze)